[Radiance-general] AUTOREPLY Radiance-general Digest, Vol 148, Issue 32

Thu Jun 30 21:47:18 PDT 2016

Sehr geehrte Damen und Herren,

vielen Dank fr Ihre Nachricht.
unser Bro ist am 30.6. und 01.07. wegen unseres Broausflugs geschlossen. Ab Montag, 04.07. sind wir wieder fr sie da.

Mit freundlichen Gren

Volker Wei

Stahl+Wei
Basler Strae 55
D-79100 Freiburg

Tel.   +49-(0)761-38909-32
Zentrale                     -30
Fax.  +49-(0)761-38909-39

weiss at stahl-weiss.de
www.stahl-weiss.de

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Today's Topics:

   1. how to get luminance false color images (Violeta Escobar Ruiz)
   2. 3D-360 video rendered with Radiance (Mark Stock)

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Message: 1
Date: Thu, 30 Jun 2016 21:19:02 -0500
From: Violeta Escobar Ruiz <viole.esc at gmail.com>
To: radiance-general at radiance-online.org
Subject: [Radiance-general] how to get luminance false color images
Message-ID:
	<CABfqC4J5KMonRxPbOLu_07HtMUsbh6JncEt4qmkCSPBsFZSUGA at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi.
I've been using the R-Y-O demo (http://www.jaloxa.eu/webhdr/demo.shtml) to
get luminance false color images, but it says that the program is currently
down.
I know there is a way to get those images from Radiance. I?ve been looking
through the documentation posted on the web site but its been really
difficult for me to understand.
I was wondering if there's an easier way to do it, since it was really easy
to do it on R-Y-O.

Thank you very much
-
Violeta Escobar Ruiz
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Message: 2
Date: Fri, 1 Jul 2016 00:16:27 -0400
From: Mark Stock <mstock at umich.edu>
To: radiance-general at radiance-online.org
Subject: [Radiance-general] 3D-360 video rendered with Radiance
Message-ID:
	<CADoMKs3xN8giHu9pEZiiyz4j7rdYhwxDYcAfaieWFwN7jNHYhA at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Folks,

I thought I'd let you know about my recently-completed 4-minute 3D-360
video that was rendered with Radiance. The subject is a dynamic
triangle mesh from a computational fluid dynamics simulation of a
sphere of fluid with a density discontinuity. (Lots of grey
cylinders.)

The original (2D rendering) video is here:
https://www.youtube.com/watch?v=OShSC1VyBi0

The new video (3D-360, for GearVR and other VR HMDs) is in multiple places:
https://www.youtube.com/watch?v=zGFMqEKiAGM
https://vimeo.com/173000788
https://www.facebook.com/mark.stock/posts/10153805081796376

I'll provide a direct download link for all you Radiance fans, who
know how hard this actually was:
http://markjstock.org/vr/MarkStock_SmokeWaterFire_UHDlo_360_TB.mp4

The rendering took 8 months on a 4.4GHz, 8-core Intel Haswell chip.
Each original frame was 11520x11520 (in HDR, of course), but reduced
to 3840x3840 for storage, and further reduced to 3840x2160 for
publishing. In all, almost 1 Terapixel of primary rays were traced.
The directory takes up ~600 GB. I used an rcalc/rtrace trick to
generate the 3D-360 frames. The command line for each frame looked
like:

cnt 11520 11520 | rcalc -f 3d360.cal -e
"XD=11520;YD=11520;X=0;Y=0;Z=0;IPD=0.02;EX=0;EZ=0" | rtrace -ab 2 -aa
0 -ad 32 -as 0 -dj 0.7 -ds 0.06 -u+ -dv- -x 11520 -y 11520 -n 3 -fac
scene0695.oct > img_0695temp.pic

I attached the 3d360.cal file in case anyone else is interested.

Have fun, and good night!

Mark
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